flutter pub add local_assets_server基于插件公开信息、社区数据与项目使用情况整理的选型参考。
一个轻量级 HTTP 服务器，用于在 Flutter 应用中提供本地资源。它允许开发者通过 HTTP 从设备的本地存储中提供文件，适用于测试或在应用中嵌入静态内容（如 HTML、CSS 和 JavaScript）。非常适合需要本地 Web 服务器但无需外部依赖的场景。该服务器可在 Android、iOS、macOS、Windows 和 Linux 等多种平台上运行。
以下为关联源码仓库的 README 原文快照，最新内容请访问源码仓库。
HTTP Server which serves local assets
pubspec.yaml:
dependencies:
local_assets_server: ^2.0.2+10
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:local_assets_server/local_assets_server.dart';
import 'package:webview_flutter/webview_flutter.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Local Assets Server Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: MyHomePage(title: 'Local Assets Server Demo'),
);
}
}
class MyHomePage extends StatefulWidget {
final String title;
MyHomePage({Key? key, required this.title}) : super(key: key);
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
bool isListening = false;
String? address;
int? port;
WebViewController? controller;
void _incrementCounter() {
controller?.evaluateJavascript('window.increment()');
}
@override
initState() {
_initServer();
super.initState();
}
_initServer() async {
final server = new LocalAssetsServer(
address: InternetAddress.loopbackIPv4,
assetsBasePath: 'web',
logger: DebugLogger(),
);
final address = await server.serve();
setState(() {
this.address = address.address;
port = server.boundPort!;
isListening = true;
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: isListening
? WebView(
debuggingEnabled: true,
initialUrl: 'http://$address:$port',
javascriptMode: JavascriptMode.unrestricted,
onWebViewCreated: (c) {
controller = c;
},
)
: Center(child: CircularProgressIndicator()),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: Icon(Icons.add),
), // This trailing comma makes auto-formatting nicer for build methods.
);
}
}
MIT
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